A local department store estimates that 10 percent of its customers return the merchandise they purchase. Let the random variable r r represent the number of returns for a random sample of 40 customers. Assume that random variable r r follows a binomial distribution. What is described by the value of (408)(0. 1)8(0. 9)32 ( 40 8 ) ( 0. 1 ) 8 ( 0. 9 ) 32 ?.

Alaser tag arena sells two types of memberships. one package costs $325 for one year of membership with an unlimited number of visits. the second package has $125 enrollment fee, includes five free visits, and costs and additional $8 per visit after the first five. how many visits would a person need to use for each type of membership to cost the same amount over a one-year period?

Class iii atmospheric hazards are those involving

In the_ work-study program, college students who have financial needs can work part-time jobs to pay for education expenses. a stafford b university c federal d pell